Daniel Garber received his Ph.D. in Philosophy from Harvard University in 1975. He was a member of the Department of Philosophy at the University of Chicago from 1975 until 2002, when he moved to Princeton University. Garber currently is the A. Watson Armour III University Professor of Philosophy at Princeton, and Affiliated Faculty in History of Science and Politics. He is the author of Descartes' Metaphysical Physics and Leibniz: Body, Substance, Monad, among other books and edited collections. Mogens Lærke is Senior Researcher at the Centre National de la Recherche Scientifique (CNRS) and a Senior Associate of Pembroke College, Oxford. Before joining the CNRS in 2013, he held positions at the Carlsberg Foundation, Tel Aviv University, the University of Chicago, and the University of Aberdeen. He is the Series Editor of the BSHP New Texts in the History of Philosophy series (OUP). Pierre François Moreau is Emeritus Professor at the École Normale Supérieure de Lyon, where he was Professor of Philosophy from 1992 to 2016. He has written extensively on Lucretius, Hobbes, Spinoza, utopian novels and nineteenth-century French Philosophy. Moreau is the Director of the journal La lettre clandestine, dedicated to clandestine manuscripts and to libertine, heterodox, and materialist authors. Pina Totaro is a Director of Research at the Italian Consiglio Nazionale delle Richerche (CNR), a member of the Istituto per il Lessico Intellettuale Europeo e Storia delle Idee (ILIESI) in Rome, and a certified professor in the History of Philosophy. Her scholarly interests are in the history of philosophy, Cartesianism, the philosophy of Spinoza and the history of Spinozism.